OpenAI led the funding round for an AI agent that could change your relationship with Microsoft Excel spreadsheets.

On Thursday, OpenAI unveiled a new flagship A.I. model, GPT-5, and began sharing the technology with the hundreds of millions of people who use ChatGPT, the company’s online chatbot.

OpenAI isn't just working on GPT-5. It looks like OpenAI is also preparing to release new open-source weights, living up to its name, OpenAI.' ...

OpenAI just dropped its first open-weight models in over five years. The two language models, gpt-oss-120b and gpt-oss-20b, can run locally on consumer devices and be fine-tuned for specific purposes.

Anthropic revoked OpenAI’s API access to its models on Tuesday, multiple sources familiar with the matter tell WIRED. OpenAI was informed that its access was cut off due to violating the terms ...

OpenAI said that it has released open-source systems in part because some businesses and individuals prefer to run these kinds of technologies on their own computer hardware, rather than over the ...

OpenAI offers 20 million user chats in ChatGPT lawsuit. NYT wants 120 million. OpenAI asks judge to drastically limit NYT access to ChatGPT logs.

OpenAI's ChatGPT-5 could drop in the coming days, and it could be one of the best models from the Microsoft-backed startup.

OpenAI announces two “gpt-oss” open AI models, and you can download them today OpenAI's new open models can run on your hardware instead of in the cloud.

OpenAI CEO Sam Altman announced GPT-oss, his company's return to releasing an AI language model with open weights. The company launched two new "open" models, gpt-oss-120b and gpt-oss-20b, on Tuesday.

OpenAI has finally released its first open-weight large language models since 2019’s GPT-2. These new “gpt-oss” models are available in two different sizes and score similarly to the company ...

OpenAI is close to releasing an AI-powered web browser that will challenge Alphabet's GOOGL.O market-dominating Google Chrome, three people familiar with the matter told Reuters. The browser is ...